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Evidence row 2202021

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://css-design-calc.x402tookit.com/box-size
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d32b74c57cc694e4975cd12cf397c375f58b45bda31e8f37500f0d97151cd702
Leaf
0x25258ecd3fcfe50b69b8277ada553a55378134d2f9d71bff4a38d3854113c844

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://css-design-calc.x402tookit.com/box-size"
    ]
  ],
  "name": "CSS Design Calc",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "CSS box model sizes: content, padding, border and margin boxes from a width and height under content-box or border-box.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "border": 2,
              "boxSizing": "content-box",
              "height": 200,
              "margin": 10,
              "padding": 20,
              "width": 300
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T14:32:42.869Z",
              "borderBoxHeight": 244,
              "borderBoxWidth": 344,
              "boxSizing": "content-box",
              "contentHeight": 200,
              "contentWidth": 300,
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "marginBoxHeight": 264,
              "marginBoxWidth": 364,
              "notChecked": [
                "margin collapsing between siblings and parents",
                "min-width, max-width and flex or grid sizing",
                "…1 more"
              ],
              "paddingBoxHeight": 240,
              "paddingBoxWidth": 340,
              "reasons": [
                "width and height set the CONTENT box; padding and border are added outside it."
              ],
              "source": "CSS Box Model Level 3 (width applies to the content box or the border box depending on box-sizing), computed locally",
              "summary": "Under content-box, a 300 x 200 box has content 300 x 200, border box 344 x 244, margin box 364 x 264.",
              "verdict": "COMPUTED",
              "widthToSetForBorderBox": 344,
              "widthToSetForContentBox": 300
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "border": {
                      "description": "Border on each side, px (default 0)",
                      "type": "number"
                    },
                    "boxSizing": {
                      "description": "content-box (default) or border-box",
                      "enum": [
                        "content-box",
                        "border-box"
                      ],
                      "type": "string"
                    },
                    "height": {
                      "description": "The CSS height value, px (default = width)",
                      "type": "number"
                    },
                    "margin": {
                      "description": "Margin on each side, px (default 0)",
                      "type": "number"
                    },
                    "padding": {
                      "description": "Padding on each side, px (default 0)",
                      "type": "number"
                    },
                    "width": {
                      "description": "The CSS width value, px",
                      "type": "number"
                    }
                  },
                  "required": [
                    "width"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "borderBoxHeight": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "borderBoxWidth": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "boxSizing": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "contentHeight": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "contentWidth": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "marginBoxHeight": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "marginBoxWidth": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "paddingBoxHeight": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "paddingBoxWidth": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "widthToSetForBorderBox": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "widthToSetForContentBox": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:46:34.099Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:46:33.931Z"
    },
    "resource": "https://css-design-calc.x402tookit.com/box-size",
    "serviceName": "CSS Design Calc",
    "tags": [
      "css",
      "box-model",
      "layout",
      "box-sizing"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "CSS box model sizes: content, padding, border and margin boxes from a width and height under content-box or border-box."
}

What the leaf hashes

{"body":"d32b74c57cc694e4975cd12cf397c375f58b45bda31e8f37500f0d97151cd702","id":2202021,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811382170,"prev":null,"subject":"x402_bazaar:https://css-design-calc.x402tookit.com/box-size","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x252508fbf0da8c5fe8a2d46057fa167f1b963ada4eea292941d7bf941f9b2849
  2. 0x9631f856d80aa4bea486112e8230066988da1efd6eb709a3c1490c6847535a73
  3. 0x6b3b72d177da7f856b05d26b3215f1e44c1c2843b371fc5c561397dad5385bad
  4. 0x1293d52b11f9a8fa6943118b32f982ee49cc32220e508b692879a0f88f674b4d
  5. 0xfb9b3d3908009cde962b03feb32f4b24dc21beb60c65c38b38c9764517a4bf83
  6. 0x0d25207d1f786c15b3fe28a060200c55f91e71bb0f02c203f50d2c96ad80652a
  7. 0xe371d0a21646eebfe308460a4c5e766c8419165bf7e11d75c593dcd4af642273
  8. 0x29f5753ab099cb437d8cff3cadfa506f80c4e44de7fa9823d112f7c434417c88
  9. 0x31f0ff6870ad79ab942fcb65d27cf17c2c2809b2631dd5032a240cf0ff336630
  10. 0x71e8ce7d980354fb390c3f4e93d7a6e5d172d7904602629b1fbe18771843d31f
  11. 0x55fbb4e5137a3107d7ff9a1fb525e066941985dbe94bde4234bb858e5feb1d0a
  12. 0xd6b88cff77a43bbb482bc140d33ea0b9b182181e2a91a94144ca9887aa146c07
  13. 0xf93fa2cd854f8a27091bbeacf6b201fd8e00bdda94b33ddd84474a8e39b2783b
  14. 0x401f99eb33c3aca7fb1835eab8a9dc02765c5e3996fc9560617f4be6c7c50067
  15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
  16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
  17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON